2005 Mazda MX-5 Miata vs. 2004 Opel Signum
To start off, 2005 Mazda MX-5 Miata is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Opel Signum. In addition, the cost of maintenance, including insurance, on 2004 Opel Signum would be higher. At 1,910 cc (4 cylinders), 2004 Opel Signum is equipped with a bigger engine. In terms of performance, 2005 Mazda MX-5 Miata (138 HP @ 4000 RPM) has 39 more horse power than 2004 Opel Signum. (99 HP @ 3120 RPM). In normal driving conditions, 2005 Mazda MX-5 Miata should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Signum weights approximately 510 kg more than 2005 Mazda MX-5 Miata.
Because 2005 Mazda MX-5 Miata is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 Mazda MX-5 Miata. However, in wet, icy, snow, or gravel driving conditions, 2004 Opel Signum, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2004 Opel Signum (230 Nm) has 60 more torque (in Nm) than 2005 Mazda MX-5 Miata. (170 Nm). This means 2004 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 2005 Mazda MX-5 Miata.
Compare all specifications:
| 2005 Mazda MX-5 Miata | 2004 Opel Signum | |
| Make | Mazda | Opel |
| Model | MX-5 Miata | Signum |
| Year Released | 2005 | 2004 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1835 cc | 1910 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 99 HP |
| Engine RPM | 4000 RPM | 3120 RPM |
| Torque | 170 Nm | 230 Nm |
| Engine Compression Ratio | 10.0:1 | 18.5:1 |
| Drive Type | Rear | Front |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1085 kg | 1595 kg |
| Vehicle Length | 3950 mm | 4640 mm |
| Vehicle Width | 1690 mm | 1800 mm |
| Vehicle Height | 1230 mm | 1470 mm |
| Wheelbase Size | 2270 mm | 2620 mm |
| Fuel Consumption Overall | 9.4 L/100km | 5.9 L/100km |
| Fuel Tank Capacity | 48 L | 58 L |
